211020130 has 32 divisors (see below), whose sum is σ = 389650176. Its totient is φ = 82243584.

The previous prime is 211020127. The next prime is 211020143. The reversal of 211020130 is 31020112.

211020130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119917 + ... + 121663.

It is an arithmetic number, because the mean of its divisors is an integer number (12176568).

Almost surely, 2^211020130 is an apocalyptic number.

211020130 is a deficient number, since it is larger than the sum of its proper divisors (178630046).

211020130 is a wasteful number, since it uses less digits than its factorization.

211020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211020130 is about 14526.5319329839. The cubic root of 211020130 is about 595.3531129031.

Adding to 211020130 its reverse (31020112), we get a palindrome (242040242).

The spelling of 211020130 in words is "two hundred eleven million, twenty thousand, one hundred thirty".